混合双基地雷达系统结构对方位估计性能的影响

doi:10.3969/j.issn.1001-2400.2010.05.006

Abstract

Abstract:

A hybrid bistatic radar configuration which constitutes the conventional phased array radar and MIMO radar configuration is proposed. The new configuration could take advantage of both the coherent processing gain provided by the conventional phased array radar and the spatial gain received from the MIMO radar. The average Cramer-Rao bound(ACRB) of the estimation is evaluated to assess the estimation performance for both the angle of departure and the angle of arrival. By measuring the average CRB, the direction finding performances of different configurations are investigated. It is concluded that a system with the phased array configuration at the receiver and the hybrid configuration at the transmitter could provide a better AOA estimation performance, while a system with the phased array configuration at the transmitter and more antenna arrays at the receiver could increase the AOD estimation accuracy. The effects of both the coherent processing gain and the spatial gain acquired from different configurations should be considered eclectically in application.

Key words: array signal processing, MIMO radar, direction finding, detection, average Cramer-Rao bound

LIU Zhi-guo;LIAO Gui-sheng;WANG Ya-li. Effect of the hybrid bistatic radar configuration on direction finding performance[J].J4, 2010, 37(5): 808-812+861.

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Effect of the hybrid bistatic radar configuration on direction finding performance

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